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. 2022 Aug 30;306(2):e221806. doi: 10.1148/radiol.221806

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© 2023 by the Radiological Society of North America, Inc.

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Histologic image (hematoxylin and eosin stain, 200× magnification) shows recanalized pulmonary arteriole with neolumen formation. This finding was observed in an explanted lung 4 months after acute COVID-19.